For millennia, the tundra regions of the Arctic drew in carbon from the atmosphere ... The sink-to-source switch means that carbon-based plant and animal matter that has been stored in permafrost ...

Arctic tundra, which for thousands of years was a ... The sink-to-source switch means that carbon-based plant and animal matter that has been stored in permafrost for thousands of years now ...

For millennia, the tundra regions of the Arctic ... said the 2024 Arctic Report Card, a NOAA project with nearly 100 collaborating scientists from different organizations in Alaska and elsewhere. The ...

like the Arctic tundra, are losing their ability to help reduce emissions. Simultaneously, the impacts of climate change are growing, increasing Arctic wildfires, affecting buildings and roads as ...

Photo: AFP After locking carbon dioxide in its frozen soil for millennia, the Arctic tundra is undergoing a dramatic transformation, driven by frequent wildfires that are turning it into a net source ...

After storing carbon dioxide for millennia in frozen soil, the Arctic tundra has now become a source of emissions. “Our observations now show that the Arctic tundra, which is experiencing warming and ...